Meanings
Usage patterns
〈事〉の案を出すto come up with an idea/proposal for something
I came up with an idea for a new event.
案を練るto work out and refine a plan
We worked out the details of the project plan in the meeting.
案を検討するto examine or review a proposal
The committee reviewed the proposal.
〈人〉の案に賛成するto agree with someone's proposal
Everyone agreed with his proposal.
案に相違してcontrary to what was expected
Contrary to expectations, the exam was easy.
Expressions
案を立てるdraft a proposal; formulate a plan 凝っては思案に能わずtoo much thinking gets you nowhere; excessive enthusiasm clouds one's judgment 案ずるより産むが易しit is easier to do something than to worry about it; fear overruns the danger